A 19-year-old member asked:
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what is the average age to start your period?

2 doctor answers
Dr. Chethan Sarabu
9 years experience Pediatrics
12-13 years: The average age in the United States to have your first period (menarche) is 12.5 years. There is natural variation within the country and across the globe but the average age ranges from 12-14 years. The first signs of puberty are breast development and pubic hair. Finally, menarche is the culmination of a series of events dealing with the maturation of the endocrine system.
Answered on Jun 5, 2014
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Dr. Marina Armendariz
25 years experience Pediatrics
12 y: But it also varies, some girls start at age 10y and some as late as. 14y.
Answered on Oct 3, 2016
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1 comment
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Dr. Helena Bentley
38 years experience Pediatrics
The onset of menses seems to be younger and younger these days. The usual rule thumb is +/- 2 years of mother's onset.
Feb 8, 2012

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A 37-year-old member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Menarche. : Hello. Well - only females have periods. The average age is 12.5 years for a girl (in the us). But some girls might have their first period (menarche ... Read More
A 40-year-old member asked:
Dr. James Ferguson
45 years experience Pediatrics
Varies: The common range is 11-13 with some earlier and later. Later than 15 occurs on occasion but i would do a workup on that one for delay.It usually happe ... Read More
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Dr. Katharine Cox
44 years experience Pediatric Emergency Medicine
Menses: Usually 12 and about 2 years after the onset of breast development. Remain calm yourself and make sure she has been well educated and understands it i ... Read More
A member asked:
Dr. Heidi Fowler
24 years experience Psychiatry
Hello. : Hello. I would not expect that your bodyfat would drop because you start having periods. Maybe what your mother was referring to, was that your body ... Read More
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